Beat the Teacher - A Place Value Game. All you need is one deck of cards and paper for the students. Can modify for any grade. Decimal Place Value
Suzie's Home Education Ideas: Printable Place Value Slider
Equivalent Fraction posters - good "benchmark fraction" visual for early in the year!
PLACE VALUE: Whole Body Math Learning: Stomp It! Place Value Game.going to work something like this with kindergarten curriculum!
Practice conversions within the metric system in this fun math card game for third graders.